First results for charm physics with a tmQCD valence action

Ugarrio, Javier; Bussone, Andrea; Herdoiza, Gregorio; Pena, Carlos; Preti, David; Romero, José Ángel; on behalf of the ALPHA collaboration,

doi:10.22323/1.334.0271

Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Weak Decays and Matrix Elements

First results for charm physics with a tmQCD valence action

J. Ugarrio*, A. Bussone, G. Herdoiza, C. Pena, D. Preti, J.Á. Romero on behalf of the ALPHA collaboration

*: corresponding author

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Published on: May 29, 2019

Abstract

We present preliminary results in the charm sector from a mixed-action setup, in which CLS

$N_f=2+1$ ensembles are combined with a Wilson twisted mass valence action. We study the continuum and chiral limits of charm quark observables such as the decay constants

$f_{D_{(s)}}$ and the renormalized charm-quark mass.

DOI: https://doi.org/10.22323/1.334.0271

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